Panasonic WV-SFV481 Operating Manual page 114

11 Configure the settings relating to images and audio [Image/Audio]
2.
Click the [Start] button of "Mask area".
→
Borders will appear and the image displayed on the [Image quality] tab will be divided into 64 (8x8).
Note
•
Regardless of the "Image capture mode" setting, Fisheye images are configured for mask settings.
114 Operating Instructions